Tara Smith of Aetiology has coauthored a policy paper with Steven Novella of NeuroLogica Blog in PLoS Medicine about HIV denialism on the web. Read it. This is an especially timely topic, as Thabo Mbeki’s government in South Africa shows signs of slipping back to its HIV denialism days with the recent firing of outspoken deputy health minister Nozizwe Madlala-Routledge